The principal trees are the yellow and sugar pines, digger pine, incense cedar, Douglas spruce, silver fir, the California and golden-cup oaks, balsam cottonwood, Nuttall's flowering dogwood, alder, maple, laurel, tumion, etc.

主要树木有黄松和糖松、挖掘松、香柏、花旗云杉、银杉、加州橡树和金杯橡树、香脂白杨、纳托尔山茱萸、桤木、枫树、月桂树、桤木等。